Browse Tag: java 8

Java 8 Default Method Example

Let’s understand why we need default methods which have been added in Java 8. Assume that we have an Interface with some abstract methods  and it has many implementation classes. Now if we want to add new method in the Interface it means we need to change all implementations. Continue Reading

Parallel stream and CompletableFuture example

Let’s see how we can paralellize java application. Suppose we have asked to develop application where given the libraries list we need to calculate the number of books in each library. Suppose calculation is an expensive operation. The first thing that comes to our mind is to do this by streams.

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How java 8 default method ambiguity solved

Default methods are introduced in Java 8. The main purpose of default method is to make possible evolving an existing API in compatible way. Interfaces can contain method implementation for which implementing class doesn’t need to provide implementation.

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